| 单词 | pneumonoultramicroscopicsilicovolcanoconiosis | 
| 释义 | pneumonoultramicroscopicsilicovolcanoconiosis in American English (ˈnuːmənouˌʌltrəˌmaikrəˌskɑpɪkˈsɪlɪˌkouvɑlˌkeinouˌkouniˈousɪs, ˈnjuː-) noun an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language Word origin[‹ NL; see pneumono-, ultramicroscopic, silica, volcano, (pneumono)coniosis] Examples of 'pneumonoultramicroscopicsilicovolcanoconiosis' in a sentence | 
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